Home / 7,432.40-10,256.72-4,075.24

Finding the Fourth Proportional to 7,432.40, 10,256.72 and 4,075.24

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Solution

The fourth proportional to 7,432.40, 10,256.72 and 4,075.24 is: 5,623.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.40 : 10,256.72 = 4,075.24 : x
  2. Step 2: Convert to fraction form
    7,432.40/10,256.72 = 4,075.24/x
  3. Step 3: Cross multiply
    7,432.40x = 10,256.72 × 4,075.24
  4. Step 4: Simplify right side
    7,432.40x = 41,798,595.61
  5. Step 5: Solve for x
    x = 41,798,595.61/7,432.40
  6. Step 6: Final answer
    x = 5,623.84

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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.