Home / 7,351.91-10,146.15-4,165.18

Finding the Fourth Proportional to 7,351.91, 10,146.15 and 4,165.18

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Solution

The fourth proportional to 7,351.91, 10,146.15 and 4,165.18 is: 5,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.91 : 10,146.15 = 4,165.18 : x
  2. Step 2: Convert to fraction form
    7,351.91/10,146.15 = 4,165.18/x
  3. Step 3: Cross multiply
    7,351.91x = 10,146.15 × 4,165.18
  4. Step 4: Simplify right side
    7,351.91x = 42,260,541.06
  5. Step 5: Solve for x
    x = 42,260,541.06/7,351.91
  6. Step 6: Final answer
    x = 5,748.24

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Half scale
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Double scale
Find fourth proportional to 7,352.91, 10,147.53 and 4,166.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.