Home / 5,313.15-7,332.39-3,075.57

Finding the Fourth Proportional to 5,313.15, 7,332.39 and 3,075.57

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Solution

The fourth proportional to 5,313.15, 7,332.39 and 3,075.57 is: 4,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,313.15 : 7,332.39 = 3,075.57 : x
  2. Step 2: Convert to fraction form
    5,313.15/7,332.39 = 3,075.57/x
  3. Step 3: Cross multiply
    5,313.15x = 7,332.39 × 3,075.57
  4. Step 4: Simplify right side
    5,313.15x = 22,551,278.71
  5. Step 5: Solve for x
    x = 22,551,278.71/5,313.15
  6. Step 6: Final answer
    x = 4,244.43

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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.