Home / 1,707.14-2,357.16-1,117.46

Finding the Fourth Proportional to 1,707.14, 2,357.16 and 1,117.46

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Solution

The fourth proportional to 1,707.14, 2,357.16 and 1,117.46 is: 1,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.14 : 2,357.16 = 1,117.46 : x
  2. Step 2: Convert to fraction form
    1,707.14/2,357.16 = 1,117.46/x
  3. Step 3: Cross multiply
    1,707.14x = 2,357.16 × 1,117.46
  4. Step 4: Simplify right side
    1,707.14x = 2,634,032.01
  5. Step 5: Solve for x
    x = 2,634,032.01/1,707.14
  6. Step 6: Final answer
    x = 1,542.95

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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.