Home / 5,582.56-7,705.05-3,345.76

Finding the Fourth Proportional to 5,582.56, 7,705.05 and 3,345.76

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Solution

The fourth proportional to 5,582.56, 7,705.05 and 3,345.76 is: 4,617.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.56 : 7,705.05 = 3,345.76 : x
  2. Step 2: Convert to fraction form
    5,582.56/7,705.05 = 3,345.76/x
  3. Step 3: Cross multiply
    5,582.56x = 7,705.05 × 3,345.76
  4. Step 4: Simplify right side
    5,582.56x = 25,779,248.09
  5. Step 5: Solve for x
    x = 25,779,248.09/5,582.56
  6. Step 6: Final answer
    x = 4,617.82

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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.