Home / 5,038.61-6,953.59-2,800.50

Finding the Fourth Proportional to 5,038.61, 6,953.59 and 2,800.50

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Solution

The fourth proportional to 5,038.61, 6,953.59 and 2,800.50 is: 3,864.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.61 : 6,953.59 = 2,800.50 : x
  2. Step 2: Convert to fraction form
    5,038.61/6,953.59 = 2,800.50/x
  3. Step 3: Cross multiply
    5,038.61x = 6,953.59 × 2,800.50
  4. Step 4: Simplify right side
    5,038.61x = 19,473,528.80
  5. Step 5: Solve for x
    x = 19,473,528.80/5,038.61
  6. Step 6: Final answer
    x = 3,864.86

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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.