Home / 5,135.59-7,075.11-4,248.64

Finding the Fourth Proportional to 5,135.59, 7,075.11 and 4,248.64

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Solution

The fourth proportional to 5,135.59, 7,075.11 and 4,248.64 is: 5,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.59 : 7,075.11 = 4,248.64 : x
  2. Step 2: Convert to fraction form
    5,135.59/7,075.11 = 4,248.64/x
  3. Step 3: Cross multiply
    5,135.59x = 7,075.11 × 4,248.64
  4. Step 4: Simplify right side
    5,135.59x = 30,059,595.35
  5. Step 5: Solve for x
    x = 30,059,595.35/5,135.59
  6. Step 6: Final answer
    x = 5,853.19

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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.