Home / 1,863.06-2,570.28-1,117.04

Finding the Fourth Proportional to 1,863.06, 2,570.28 and 1,117.04

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Solution

The fourth proportional to 1,863.06, 2,570.28 and 1,117.04 is: 1,541.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.06 : 2,570.28 = 1,117.04 : x
  2. Step 2: Convert to fraction form
    1,863.06/2,570.28 = 1,117.04/x
  3. Step 3: Cross multiply
    1,863.06x = 2,570.28 × 1,117.04
  4. Step 4: Simplify right side
    1,863.06x = 2,871,105.57
  5. Step 5: Solve for x
    x = 2,871,105.57/1,863.06
  6. Step 6: Final answer
    x = 1,541.07

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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.