Home / 5,580.36-7,700.56-3,343.40

Finding the Fourth Proportional to 5,580.36, 7,700.56 and 3,343.40

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Solution

The fourth proportional to 5,580.36, 7,700.56 and 3,343.40 is: 4,613.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.36 : 7,700.56 = 3,343.40 : x
  2. Step 2: Convert to fraction form
    5,580.36/7,700.56 = 3,343.40/x
  3. Step 3: Cross multiply
    5,580.36x = 7,700.56 × 3,343.40
  4. Step 4: Simplify right side
    5,580.36x = 25,746,052.30
  5. Step 5: Solve for x
    x = 25,746,052.30/5,580.36
  6. Step 6: Final answer
    x = 4,613.69

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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.