Home / 5,316.93-7,975.58-1,854.45

Finding the Fourth Proportional to 5,316.93, 7,975.58 and 1,854.45

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Solution

The fourth proportional to 5,316.93, 7,975.58 and 1,854.45 is: 2,781.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.93 : 7,975.58 = 1,854.45 : x
  2. Step 2: Convert to fraction form
    5,316.93/7,975.58 = 1,854.45/x
  3. Step 3: Cross multiply
    5,316.93x = 7,975.58 × 1,854.45
  4. Step 4: Simplify right side
    5,316.93x = 14,790,305.06
  5. Step 5: Solve for x
    x = 14,790,305.06/5,316.93
  6. Step 6: Final answer
    x = 2,781.74

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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.