Home / 7,374.74-10,176.74-4,187.18

Finding the Fourth Proportional to 7,374.74, 10,176.74 and 4,187.18

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Solution

The fourth proportional to 7,374.74, 10,176.74 and 4,187.18 is: 5,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.74 : 10,176.74 = 4,187.18 : x
  2. Step 2: Convert to fraction form
    7,374.74/10,176.74 = 4,187.18/x
  3. Step 3: Cross multiply
    7,374.74x = 10,176.74 × 4,187.18
  4. Step 4: Simplify right side
    7,374.74x = 42,611,842.19
  5. Step 5: Solve for x
    x = 42,611,842.19/7,374.74
  6. Step 6: Final answer
    x = 5,778.08

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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.