Home / 3,417.19-4,715.72-2,091.93

Finding the Fourth Proportional to 3,417.19, 4,715.72 and 2,091.93

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Solution

The fourth proportional to 3,417.19, 4,715.72 and 2,091.93 is: 2,886.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.19 : 4,715.72 = 2,091.93 : x
  2. Step 2: Convert to fraction form
    3,417.19/4,715.72 = 2,091.93/x
  3. Step 3: Cross multiply
    3,417.19x = 4,715.72 × 2,091.93
  4. Step 4: Simplify right side
    3,417.19x = 9,864,935.84
  5. Step 5: Solve for x
    x = 9,864,935.84/3,417.19
  6. Step 6: Final answer
    x = 2,886.86

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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.