Home / 5,580.18-7,697.70-3,485.52

Finding the Fourth Proportional to 5,580.18, 7,697.70 and 3,485.52

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Solution

The fourth proportional to 5,580.18, 7,697.70 and 3,485.52 is: 4,808.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.18 : 7,697.70 = 3,485.52 : x
  2. Step 2: Convert to fraction form
    5,580.18/7,697.70 = 3,485.52/x
  3. Step 3: Cross multiply
    5,580.18x = 7,697.70 × 3,485.52
  4. Step 4: Simplify right side
    5,580.18x = 26,830,487.30
  5. Step 5: Solve for x
    x = 26,830,487.30/5,580.18
  6. Step 6: Final answer
    x = 4,808.18

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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.