Home / 3,715.18-5,572.15-1,376.29

Finding the Fourth Proportional to 3,715.18, 5,572.15 and 1,376.29

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Solution

The fourth proportional to 3,715.18, 5,572.15 and 1,376.29 is: 2,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.18 : 5,572.15 = 1,376.29 : x
  2. Step 2: Convert to fraction form
    3,715.18/5,572.15 = 1,376.29/x
  3. Step 3: Cross multiply
    3,715.18x = 5,572.15 × 1,376.29
  4. Step 4: Simplify right side
    3,715.18x = 7,668,894.32
  5. Step 5: Solve for x
    x = 7,668,894.32/3,715.18
  6. Step 6: Final answer
    x = 2,064.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.