Home / 4,587.84-6,316.48-3,998.40

Finding the Fourth Proportional to 4,587.84, 6,316.48 and 3,998.40

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Solution

The fourth proportional to 4,587.84, 6,316.48 and 3,998.40 is: 5,504.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.84 : 6,316.48 = 3,998.40 : x
  2. Step 2: Convert to fraction form
    4,587.84/6,316.48 = 3,998.40/x
  3. Step 3: Cross multiply
    4,587.84x = 6,316.48 × 3,998.40
  4. Step 4: Simplify right side
    4,587.84x = 25,255,813.63
  5. Step 5: Solve for x
    x = 25,255,813.63/4,587.84
  6. Step 6: Final answer
    x = 5,504.95

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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.