Home / 7,075.20-10,589.70-4,877.28

Finding the Fourth Proportional to 7,075.20, 10,589.70 and 4,877.28

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Solution

The fourth proportional to 7,075.20, 10,589.70 and 4,877.28 is: 7,300.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.20 : 10,589.70 = 4,877.28 : x
  2. Step 2: Convert to fraction form
    7,075.20/10,589.70 = 4,877.28/x
  3. Step 3: Cross multiply
    7,075.20x = 10,589.70 × 4,877.28
  4. Step 4: Simplify right side
    7,075.20x = 51,648,932.02
  5. Step 5: Solve for x
    x = 51,648,932.02/7,075.20
  6. Step 6: Final answer
    x = 7,300.00

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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.