Home / 5,358.68-7,398.59-3,345.16

Finding the Fourth Proportional to 5,358.68, 7,398.59 and 3,345.16

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Solution

The fourth proportional to 5,358.68, 7,398.59 and 3,345.16 is: 4,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.68 : 7,398.59 = 3,345.16 : x
  2. Step 2: Convert to fraction form
    5,358.68/7,398.59 = 3,345.16/x
  3. Step 3: Cross multiply
    5,358.68x = 7,398.59 × 3,345.16
  4. Step 4: Simplify right side
    5,358.68x = 24,749,475.20
  5. Step 5: Solve for x
    x = 24,749,475.20/5,358.68
  6. Step 6: Final answer
    x = 4,618.58

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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.