Home / 5,579.35-7,699.70-3,061.53

Finding the Fourth Proportional to 5,579.35, 7,699.70 and 3,061.53

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Solution

The fourth proportional to 5,579.35, 7,699.70 and 3,061.53 is: 4,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.35 : 7,699.70 = 3,061.53 : x
  2. Step 2: Convert to fraction form
    5,579.35/7,699.70 = 3,061.53/x
  3. Step 3: Cross multiply
    5,579.35x = 7,699.70 × 3,061.53
  4. Step 4: Simplify right side
    5,579.35x = 23,572,870.19
  5. Step 5: Solve for x
    x = 23,572,870.19/5,579.35
  6. Step 6: Final answer
    x = 4,225.02

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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.