Home / 7,292.02-10,062.90-4,148.20

Finding the Fourth Proportional to 7,292.02, 10,062.90 and 4,148.20

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Solution

The fourth proportional to 7,292.02, 10,062.90 and 4,148.20 is: 5,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,292.02 : 10,062.90 = 4,148.20 : x
  2. Step 2: Convert to fraction form
    7,292.02/10,062.90 = 4,148.20/x
  3. Step 3: Cross multiply
    7,292.02x = 10,062.90 × 4,148.20
  4. Step 4: Simplify right side
    7,292.02x = 41,742,921.78
  5. Step 5: Solve for x
    x = 41,742,921.78/7,292.02
  6. Step 6: Final answer
    x = 5,724.47

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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.