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Finding the Fourth Proportional to 5,135.49, 7,703.03 and 3,570.89

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Solution

The fourth proportional to 5,135.49, 7,703.03 and 3,570.89 is: 5,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.49 : 7,703.03 = 3,570.89 : x
  2. Step 2: Convert to fraction form
    5,135.49/7,703.03 = 3,570.89/x
  3. Step 3: Cross multiply
    5,135.49x = 7,703.03 × 3,570.89
  4. Step 4: Simplify right side
    5,135.49x = 27,506,643.21
  5. Step 5: Solve for x
    x = 27,506,643.21/5,135.49
  6. Step 6: Final answer
    x = 5,356.19

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1.5x scale

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.