Home / 3,528.96-4,870.05-1,957.17

Finding the Fourth Proportional to 3,528.96, 4,870.05 and 1,957.17

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Solution

The fourth proportional to 3,528.96, 4,870.05 and 1,957.17 is: 2,700.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.96 : 4,870.05 = 1,957.17 : x
  2. Step 2: Convert to fraction form
    3,528.96/4,870.05 = 1,957.17/x
  3. Step 3: Cross multiply
    3,528.96x = 4,870.05 × 1,957.17
  4. Step 4: Simplify right side
    3,528.96x = 9,531,515.76
  5. Step 5: Solve for x
    x = 9,531,515.76/3,528.96
  6. Step 6: Final answer
    x = 2,700.94

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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.