Home / 3,543.12-5,316.53-1,570.10

Finding the Fourth Proportional to 3,543.12, 5,316.53 and 1,570.10

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Solution

The fourth proportional to 3,543.12, 5,316.53 and 1,570.10 is: 2,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.12 : 5,316.53 = 1,570.10 : x
  2. Step 2: Convert to fraction form
    3,543.12/5,316.53 = 1,570.10/x
  3. Step 3: Cross multiply
    3,543.12x = 5,316.53 × 1,570.10
  4. Step 4: Simplify right side
    3,543.12x = 8,347,449.32
  5. Step 5: Solve for x
    x = 8,347,449.32/3,543.12
  6. Step 6: Final answer
    x = 2,355.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.