Home / 7,359.08-10,156.74-5,376.20

Finding the Fourth Proportional to 7,359.08, 10,156.74 and 5,376.20

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Solution

The fourth proportional to 7,359.08, 10,156.74 and 5,376.20 is: 7,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.08 : 10,156.74 = 5,376.20 : x
  2. Step 2: Convert to fraction form
    7,359.08/10,156.74 = 5,376.20/x
  3. Step 3: Cross multiply
    7,359.08x = 10,156.74 × 5,376.20
  4. Step 4: Simplify right side
    7,359.08x = 54,604,665.59
  5. Step 5: Solve for x
    x = 54,604,665.59/7,359.08
  6. Step 6: Final answer
    x = 7,420.04

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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.