Home / 7,340.91-10,130.45-4,197.17

Finding the Fourth Proportional to 7,340.91, 10,130.45 and 4,197.17

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Solution

The fourth proportional to 7,340.91, 10,130.45 and 4,197.17 is: 5,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.91 : 10,130.45 = 4,197.17 : x
  2. Step 2: Convert to fraction form
    7,340.91/10,130.45 = 4,197.17/x
  3. Step 3: Cross multiply
    7,340.91x = 10,130.45 × 4,197.17
  4. Step 4: Simplify right side
    7,340.91x = 42,519,149.19
  5. Step 5: Solve for x
    x = 42,519,149.19/7,340.91
  6. Step 6: Final answer
    x = 5,792.08

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Half scale
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Double scale
Find fourth proportional to 7,341.91, 10,131.82 and 4,198.17
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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.