Home / 5,345.19-7,374.56-3,459.16

Finding the Fourth Proportional to 5,345.19, 7,374.56 and 3,459.16

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Solution

The fourth proportional to 5,345.19, 7,374.56 and 3,459.16 is: 4,772.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.19 : 7,374.56 = 3,459.16 : x
  2. Step 2: Convert to fraction form
    5,345.19/7,374.56 = 3,459.16/x
  3. Step 3: Cross multiply
    5,345.19x = 7,374.56 × 3,459.16
  4. Step 4: Simplify right side
    5,345.19x = 25,509,782.97
  5. Step 5: Solve for x
    x = 25,509,782.97/5,345.19
  6. Step 6: Final answer
    x = 4,772.47

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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.