Home / 5,075.18-7,002.12-2,836.70

Finding the Fourth Proportional to 5,075.18, 7,002.12 and 2,836.70

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Solution

The fourth proportional to 5,075.18, 7,002.12 and 2,836.70 is: 3,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.18 : 7,002.12 = 2,836.70 : x
  2. Step 2: Convert to fraction form
    5,075.18/7,002.12 = 2,836.70/x
  3. Step 3: Cross multiply
    5,075.18x = 7,002.12 × 2,836.70
  4. Step 4: Simplify right side
    5,075.18x = 19,862,913.80
  5. Step 5: Solve for x
    x = 19,862,913.80/5,075.18
  6. Step 6: Final answer
    x = 3,913.74

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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.