Home / 7,880.07-10,874.34-4,295.05

Finding the Fourth Proportional to 7,880.07, 10,874.34 and 4,295.05

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Solution

The fourth proportional to 7,880.07, 10,874.34 and 4,295.05 is: 5,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880.07 : 10,874.34 = 4,295.05 : x
  2. Step 2: Convert to fraction form
    7,880.07/10,874.34 = 4,295.05/x
  3. Step 3: Cross multiply
    7,880.07x = 10,874.34 × 4,295.05
  4. Step 4: Simplify right side
    7,880.07x = 46,705,834.02
  5. Step 5: Solve for x
    x = 46,705,834.02/7,880.07
  6. Step 6: Final answer
    x = 5,927.08

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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.