Home / 5,801.18-8,701.77-2,103.40

Finding the Fourth Proportional to 5,801.18, 8,701.77 and 2,103.40

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Solution

The fourth proportional to 5,801.18, 8,701.77 and 2,103.40 is: 3,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.18 : 8,701.77 = 2,103.40 : x
  2. Step 2: Convert to fraction form
    5,801.18/8,701.77 = 2,103.40/x
  3. Step 3: Cross multiply
    5,801.18x = 8,701.77 × 2,103.40
  4. Step 4: Simplify right side
    5,801.18x = 18,303,303.02
  5. Step 5: Solve for x
    x = 18,303,303.02/5,801.18
  6. Step 6: Final answer
    x = 3,155.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.