Home / 5,618.42-8,423.64-4,038.08

Finding the Fourth Proportional to 5,618.42, 8,423.64 and 4,038.08

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Solution

The fourth proportional to 5,618.42, 8,423.64 and 4,038.08 is: 6,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.42 : 8,423.64 = 4,038.08 : x
  2. Step 2: Convert to fraction form
    5,618.42/8,423.64 = 4,038.08/x
  3. Step 3: Cross multiply
    5,618.42x = 8,423.64 × 4,038.08
  4. Step 4: Simplify right side
    5,618.42x = 34,015,332.21
  5. Step 5: Solve for x
    x = 34,015,332.21/5,618.42
  6. Step 6: Final answer
    x = 6,054.25

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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.