Home / 3,526.20-4,860.51-2,778.92

Finding the Fourth Proportional to 3,526.20, 4,860.51 and 2,778.92

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Solution

The fourth proportional to 3,526.20, 4,860.51 and 2,778.92 is: 3,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.20 : 4,860.51 = 2,778.92 : x
  2. Step 2: Convert to fraction form
    3,526.20/4,860.51 = 2,778.92/x
  3. Step 3: Cross multiply
    3,526.20x = 4,860.51 × 2,778.92
  4. Step 4: Simplify right side
    3,526.20x = 13,506,968.45
  5. Step 5: Solve for x
    x = 13,506,968.45/3,526.20
  6. Step 6: Final answer
    x = 3,830.46

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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.