Home / 6,547.10-9,038.08-4,190.60

Finding the Fourth Proportional to 6,547.10, 9,038.08 and 4,190.60

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Solution

The fourth proportional to 6,547.10, 9,038.08 and 4,190.60 is: 5,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,547.10 : 9,038.08 = 4,190.60 : x
  2. Step 2: Convert to fraction form
    6,547.10/9,038.08 = 4,190.60/x
  3. Step 3: Cross multiply
    6,547.10x = 9,038.08 × 4,190.60
  4. Step 4: Simplify right side
    6,547.10x = 37,875,005.88
  5. Step 5: Solve for x
    x = 37,875,005.88/6,547.10
  6. Step 6: Final answer
    x = 5,785.01

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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.