Home / 5,038.91-6,953.36-2,800.64

Finding the Fourth Proportional to 5,038.91, 6,953.36 and 2,800.64

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Solution

The fourth proportional to 5,038.91, 6,953.36 and 2,800.64 is: 3,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.91 : 6,953.36 = 2,800.64 : x
  2. Step 2: Convert to fraction form
    5,038.91/6,953.36 = 2,800.64/x
  3. Step 3: Cross multiply
    5,038.91x = 6,953.36 × 2,800.64
  4. Step 4: Simplify right side
    5,038.91x = 19,473,858.15
  5. Step 5: Solve for x
    x = 19,473,858.15/5,038.91
  6. Step 6: Final answer
    x = 3,864.70

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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.